Home / 3,301.78-4,548.39-2,828.13

Finding the Fourth Proportional to 3,301.78, 4,548.39 and 2,828.13

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Solution

The fourth proportional to 3,301.78, 4,548.39 and 2,828.13 is: 3,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.78 : 4,548.39 = 2,828.13 : x
  2. Step 2: Convert to fraction form
    3,301.78/4,548.39 = 2,828.13/x
  3. Step 3: Cross multiply
    3,301.78x = 4,548.39 × 2,828.13
  4. Step 4: Simplify right side
    3,301.78x = 12,863,438.21
  5. Step 5: Solve for x
    x = 12,863,438.21/3,301.78
  6. Step 6: Final answer
    x = 3,895.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.